Illinois Natural History Survey bulletin.
APA Citation
Biodiversity Heritage Library., Illinois. Natural History Survey Division. (1987). Illinois Natural History Survey bulletin. Champaign, Ill.: Illinois Natural History Survey.
MLA Citation
Biodiversity Heritage Library, and Illinois. Natural History Survey Division. Illinois Natural History Survey Bulletin. Champaign, Ill.: Illinois Natural History Survey, 1987.
Warning: These citations may not always be complete (especially for serials).